BioStacks
Best for
Ingredients (6)
L-Theanine
100%Dose
100 mg
Target
100–250 mg
Form
—
Rhodiola rosea root extract
100%Dose
200 mg
Target
144–400 mg
Form
Standard
Ashwagandha root extract
83%Dose
250 mg
Target
300–600 mg
Form
Standard
Skullcap root extract
100%Dose
250 mg
Target
100–1000 mg
Form
—
Eleuthero root extract
67%Dose
200 mg
Target
300–400 mg
Form
—
Other Ingredients (4)
Magnesium StearateLubricant
A salt of stearic acid used as a lubricant in tablet and capsule production
Stearic AcidLubricant
Saturated fatty acid used as tablet lubricant
Calcium SilicateAnti-caking
Inorganic compound used as an anti-caking and flow agent in powdered supplements
HypromelloseCapsule
Plant-derived capsule material from cellulose
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. clinical ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.